CN104686135A - Method for improving quality of cut flower of gerbera by utilizing CO2 - Google Patents

Method for improving quality of cut flower of gerbera by utilizing CO2 Download PDF

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Publication number
CN104686135A
CN104686135A CN201510062649.0A CN201510062649A CN104686135A CN 104686135 A CN104686135 A CN 104686135A CN 201510062649 A CN201510062649 A CN 201510062649A CN 104686135 A CN104686135 A CN 104686135A
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gerbera
flower
greenhouse
cut
flameray
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许申平
张腾飞
毛玉收
叶庆生
崔波
袁秀云
马杰
梁芳
蒋素华
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Zhengzhou Normal University
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Zhengzhou Normal University
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C21/00—Methods of fertilising, sowing or planting
    • A01C21/005—Following a specific plan, e.g. pattern
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00—Cultivation of specific crops or plants not otherwise provided for
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00—Botany in general
    • A01G7/02—Treatment of plants with carbon dioxide

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Botany (AREA)
  • Soil Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Cultivation Of Plants (AREA)

Abstract

The invention discloses a method for improving quality of a cut flower of gerbera by utilizing CO2. A timed and quantitative enriching technology of the CO2 is adopted, a nitrogenous fertilizer using measure is combined, and the interaction of the carbon-nitrogen metabolism is utilized, so that the flowering time of the gerbera is advanced, the diameter of the flower is enlarged, the number of the flower in a single plant is increased, the color of the flower is deepened, the consistency of the flower is good, the vase life of the cut flower is prolonged, the method is suitable for the gerbera planted by a conventional method in a green house, gerbera in different cultivars and different growth periods, the production cost is reduced, and besides, the generation of the greenhouse effect is avoided.

Description

Utilize CO 2improve the method for cut gerbera flower quality
Technical field
The present invention relates to a Plants CO 2fertilizer practice, particularly utilizes CO 2improve the method for cut gerbera flower quality.
Background technology
Flameray gerbera (Gerbera jamesonii) is composite family Gerbera perennial root herbage flower, have another name called African daisy, gerbera, originate in South Africa, also a small amount of distribution is had in Asia, in 20th century the mid-80 introducing China, the flameray gerbera anniversary blooms, cut-flower can be done, also potted flower can be done, there is large flower and brilliant color, pattern enriches, the four seasons all can produce the features such as flower, ornamental value is higher, now become the fifth-largest fresh cut-flowers in the world, have again and " help man, cause is flourishing " implied meaning, so dark liking by consumer, flameray gerbera as cut-flower also exists some unsatisfactory problems: mainly contain degree of lignification low, fresh idea is easily sagging, scape is flexible to fracture, have a strong impact on its ornamental value.For most of fresh cut-flowers, the one of the main reasons that rear Vase time is adopted in impact be adopt cut after carbohydrate on a declining curve, particularly soluble sugar content reduces gradually, and a part is consumed as the energy substance activity of sustaining life, and a part is used for changing into protein.Research confirms, increases CO 2quantity delivered can improve this phenomenon, later stage the 1950's starts there is CO 2add rich production practices, be called CO 2fertilizer practice, the eighties rises, CO 2fertilizer practice is promoted use in many plant production, CO in the past 2fertilizer practice is all carry out continual CO in cultivation of plants process 2add rich mode, this method is at increase CO 2its unnecessary CO while input amount 2gas can enter in air, produces the result increasing " greenhouse effect ", how at enforcement CO 2not producing as much as possible again while adding richness or producing " greenhouse effect " is less the problem concerning environmental protection and must take seriously.Flameray gerbera is C 3plant, noon break phenomenon clearly, the research of the photosynthesis characteristics of flameray gerbera is shown, the diurnal variation of its net photosynthetic rate (Pn) presents obvious Double-peak Phenomenon, first peak appears at 9:00-10:00 in the morning, be whole day peak, Pn weakens gradually afterwards, occurs " lunch break " phenomenon at about 14:00; There is second time peak in about 16:00, but the Pn on ratio first time peak decreases 22.6%; In addition, the CO of flameray gerbera 2saturation point be about 1600 μm of olmol -1, in traditional facility cultivation environment, the CO in air 2concentration is 400 μm of olmol -1, far can not meet flameray gerbera to CO 2demand, in the process of photosynthesis of plant, carbon metablism and nitrogen metabolism are very important two elements, photosynthetic carbon metabolism provides energy and carbon skeleton for nitrogen metabolism, and nitrogen metabolism provides the organic substances such as necessary enzyme and protein for carbon metablism, the two interdependence, vie each other, closely be connected, can the two reach desirable coordination degree is the essential condition affecting flower ornamental quality, in the past simple CO 2add the reason that rich method comes with some shortcomings to the facilitation that the g and D of flameray gerbera produces, with CO 2do not consider while adding richness that the impact of carbon-nitrogen metabolism effect is relevant.How CO can utilized in the production of flameray gerbera 2while adding rich method, namely can not produce " greenhouse effect ", in conjunction with carbon-nitrogen metabolism effect, flameray gerbera can be made to shorten the phase of cutting of adopting to reach, improve the amount of cutting of adopting, cut-flower quality is adopted in raising, extend the effect of adopting cut-flower viewing period, yet there are no relevant report so far again.
Summary of the invention
The object of this invention is to provide one and utilize CO 2improve the method for cut gerbera flower quality, the present invention is with timing, quantitatively CO 2add rich technology, in conjunction with nitrogen application measure, be applicable to the flameray gerbera of plantation in greenhouse, CO 2add rich use CO 2controller, CO 2gas bestows plant leaf surrounding by controller external hose, and external plastic flexible pipe is provided with gas diffusion aperture evenly and at intervals, hole separation 50cm, CO 2adding the rich time is every morning 8:00 ~ 12:00, and setting concentration is 700 ~ 1000 μm of olmol -1, time 4h, every 7 days foliage-sprays nitrogenous fertilizer, keeps total N content 25 ~ 35mM, 700 ~ 1000 μm of olmol -1cO 2the total N content of concentration and 25 ~ 35mM is best C/N ratio.
The greenhouse that this method is suitable for is glass greenhouse or plastic green house, greenhouse top layer cover light transmittance be 30% sunshade net be advisable, intensity of illumination maintains natural lighting, keeps the temperature and humidity under natural conditions.
The flameray gerbera that this method is suitable for is the flameray gerbera of conventional method plantation in greenhouse, and potted plant, ridge cultivation, the moral character of flameray gerbera, growth characteristic and cultivation demand Differences are little, and this method is applicable to the flameray gerbera of different cultivars and different growth periods.
Within in this method every 7 days, spray a nitrogenous fertilizer, keep total N content 25 ~ 35mM, total N content is that amount of application measures with N in Routine Management method applied nitrogen the total amount be added, and nitrogenous fertilizer used is water-soluble commercially available nitrogenous fertilizer.
CO 2controller carries out CO automatically according to setting 2add rich and indoor CO 2the monitoring of concentration, external hose is according to the even stringing of plantation situation of flameray gerbera above plant leaf, and distance blade 10 ~ 20cm, can parallel stringing or convolution stringing, and hose end is closed port, CO 2add the time period of 8:00 ~ 12:00 in rich morning, be the peak value phase of flameray gerbera net photosynthetic rate (Pn), institute executes CO 2the overwhelming majority is absorbed by plant, does not have too much CO 2gas is diffused in environment and causes " greenhouse effect ", CO 2add rich setting concentration 700 ~ 1000 μm of olmol -1with 4h add the rich time with keep the fertilizing method of total N content 25 ~ 35mM make flameray gerbera grow needed for " C/N than " reach the best.
This method uses in the cultivation management method of routine, need not change existing planting patterns, is not subject to the impact of flameray gerbera kind or different growing stages, bring into use seedling stage from one-tenth, playing good facilitation to nourishing and growing, can vegetative growth phase be shortened, make reproductive growth period ahead.To the one-tenth comparative trial display that seedling stage, flameray gerbera processed of field planting 2 months, flower within average 31 days, can be become to adopt and to cut, the early flowering season comparatively conventional method shift to an earlier date 2 ~ 3 days; Start to use this method in the one-tenth florescence, scape rugosity, flower size, pattern, bottled sustaining time are all improved, and all show the increase of scape rugosity, flower increase, color burn, cut-flowers in bottle time lengthening and obviously improve the feature of ornamental quality of flameray gerbera flower after the flameray gerbera of different growing stages uses this method.
For realizing the object of the invention by the following technical solutions:
1, facility is selected: normal greenhouse, glass greenhouse or plastic green house, greenhouse top layer covered with sunshade net, and sunshade net light transmittance 30% is advisable, and intensity of illumination maintains natural lighting, maintains the temperature and humidity under natural conditions.
2, flameray gerbera is the flameray gerbera of the different cultivars of conventional method plantation in greenhouse, and potted plant, ridge cultivation, can use from the different growing stage of flameray gerbera, and described conventional method is plant the normally used cultivation management method of flameray gerbera in greenhouse.
3, CO 2the stringing of instrument external hose: according to the plantation situation of flameray gerbera, by external hose, parallel stringing or convolution stringing are above plant leaf equably, and distance blade 10 ~ 20cm, external hose is provided with gas diffusion hole evenly and at intervals, pitch of holes 50cm, hose end is closed port.
4, CO 2add richness: setting CO 2controller, control CO 2concentration 700 ~ 1000 μm of olmol -1, CO 2gas bestows plant leaf surrounding by controller external hose, and adding the rich period is every morning 8:00 ~ 12:00 point, adds rich time 4h.
5, nitrogenous fertilizer sprays: within every 7 days, spray a nitrogenous fertilizer, amount of application reaches 25 ~ 35mM with the total N content be added with applied nitrogen amount in conventional method and is as the criterion, the cycle of 7 days is as identical with the existing nitrogen application cycle, total N content is affixed by 25 ~ 35mM, if different, within every 7 days, nitrogen fertilizer amount is once added with existing amount of application of nitrogen fertilizer, and maintenance total N content is 25 ~ 35mM, and nitrogenous fertilizer used is water-soluble commercially available nitrogenous fertilizer.
6, adopt and cut: treat that flameray gerbera flower becomes flower, carry out adopting cutting when namely flower foreign steamer petal launches.
Become flameray gerbera comparative trial in seedling stage:
Test kind: " pigment ".
Test Treatment Design is in table 1.
Table 1. test Treatment Design
Select " pigment " kind potted plant in conventional manner in glass greenhouse, the field planting flameray gerbera of 2 months is divided into 5 groups at random, often organize 100 strains, implement according to table 1 design, glass greenhouse top layer covered with sunshade rate is the sunshade net of 30%, intensity of illumination maintains natural lighting, maintains the temperature and humidity under natural conditions, with CO simultaneously 2controller carries out CO automatically 2add rich and indoor CO 2the monitoring of concentration, adding the rich period is every morning 8:00 ~ 12:00, adds rich time 4h, CO 2concentration is set as 800 μm of olmol -1, pass through CO 2controller external hose bestows plant leaf surrounding, CO 2the parallel stringing of external hose 15cm place above flameray gerbera blade of controller, the gas diffusion aperture interval 50cm on flexible pipe; N concentration for the conventional applied nitrogen of examination Potted Gerbera jamesonii is 15 mM, within every 7 days, is affixed by the NH that N concentration is 15mM 4nO 3, keep total N content 30mM, carry out adopting cutting mensuration when flameray gerbera flower foreign steamer petal launches, plug bottle method is without particular/special requirement, and measurement result is as follows:
Fig. 1 shows: the clean CO of plant 2absorption rate processed group HHE is 17.7 μm of olCO 2m -2s -1, increase by 20 ~ 83% than control group;
Table 2 shows:
1, plant single-strain fresh weight: processed group HHE is 138.69 g, increases by 16 ~ 43% than control group;
2, plant weights: processed group HHE is 26.11 g, increases by 17 ~ 44% than control group;
3, SL A: processed group HHE is 217.47 cm 2, increase by 8 ~ 14% than control group;
4, specific leaf area: processed group HHE is 161.02, reduces 17 ~ 27% than control group.
Fig. 2 shows: leaf starch content processed group HHE increases by 14 ~ 55% than control group.
Fig. 3 shows: soluble sugar content processed group HHE increases by 19 ~ 44% than control group.
Table 3 shows:
1, flower average diameter: processed group HHE is 10.44 cm, increases by 6 ~ 12% than control group, and Fig. 9 is shown in the contrast of flower outward appearance;
2, scape average length: processed group HHE is 56.02 cm, increases by 10 ~ 25% than control group;
3, scape average diameter: processed group HHE is 6.09 mm, increases by 5 ~ 13% than control group;
4, average bottled sustaining time: processed group HHE is 9.98 days, extends 0.98 ~ 2.02 day than control group;
Fig. 4 shows: the anthocyanin average content HHE of ligulate flower petal is 4.04A schoolg -1fW, increases by 5 ~ 32% than control group.
The average early flowering season of processed group HHE is 31 days after on-test, the early flowering season of control group is respectively 34.18 days (HA), 34.04 (LA), 33.28 days (LHE) and 33.97 days (LWE), and processed group shifts to an earlier date 2 ~ 3 days than control group.
The flower yield of processed group HHE is: processed group 2 every strains of monthly average increase by 0.5 ~ 1 flower than control group; Process 3 every strains of monthly average and increase by 1.2 ~ 1.8 flowers than control group; Process 4 every strains of monthly average than contrast increase by 2.2 ~ 3 flowers, continue to use this method, the sustainable maintenance of increase of flameray gerbera flower output.
Table 2 flameray gerbera " pigment " growth phase related parameter
Remarks: biomass indexes is individual plant mean value.
Table 3 flameray gerbera " pigment " flower portion parameter
Become florescence flameray gerbera comparative trial and result:
Test kind: " pigment ".
Test Treatment Design is in table 4.
Table 4. test Treatment Design
Select " pigment " kind of ridge cultivation in conventional manner in plastic green house, 5 groups are divided at random by becoming the flameray gerbera at florescence, often organize 100 strains, implement according to table 4 design, plastic green house top layer covered with sunshade rate is the sunshade net of 30%, intensity of illumination maintains natural lighting, maintains the temperature and humidity under natural conditions, with CO simultaneously 2controller carries out CO automatically 2add rich and indoor CO 2the monitoring of concentration, adding the rich period is every morning 8:00 ~ 12:00, adds rich time 4h, CO 2concentration is set as 1000 μm of olmol -1, through CO 2controller external hose bestows plant leaf surrounding, CO 2external hose convolution stringing 15cm place above flameray gerbera blade of controller, the gas diffusion aperture interval 50cm on flexible pipe; N concentration for the conventional applied nitrogen of examination ridge cultivation flameray gerbera is 15 mM, within every 7 days, is affixed by the NH that N concentration is 20mM 4nO 3, keep total N content 35mM, carry out adopting cutting mensuration when the new flower foreign steamer petal formed launches, plug bottle method is without particular/special requirement, and measurement result is as follows:
Fig. 5 shows: the clean CO of plant 2absorption rate processed group HHE is 18.07 μm of olCO 2m -2s -1, increase by 19 ~ 93% than control group;
Table 5 shows:
1, plant single-strain fresh weight: processed group HHE is 144.84 g, increases by 15 ~ 46% than control group;
2, plant weights: processed group HHE is 28.98 g, increases by 16 ~ 50% than control group;
3, SL A: processed group HHE is 219.97 cm 2, increase by 7 ~ 15% than control group;
4, specific leaf area: processed group HHE is 160.89, reduces 19 ~ 28% than control group.
Fig. 6 shows: leaf starch content processed group HHE increases by 13 ~ 60% than control group.
Fig. 7 shows: soluble sugar content processed group HHE increases by 17 ~ 48% than control group.
Table 6 shows:
1, flower average diameter: processed group HHE is 10.51 cm, increases by 5 ~ 13% than control group;
2, scape average length: processed group HHE is 56.11 cm, increases by 8 ~ 28% than control group;
3, scape average diameter: processed group HHE is 6.11 mm, increases by 4 ~ 14% than control group;
4, average bottled sustaining time: processed group HHE is 10.12 days, extends 0.91 ~ 2.14 day than control group.
Fig. 8 shows: the anthocyanin average content HHE of ligulate flower petal is 4.11 A schoolg -1fW, increases by 4 ~ 36% than control group.
The moon flower yield of processed group HHE is average individual plant 3.8, increases by 0.8 ~ 1.2 than control group.
Table 5 flameray gerbera " pigment " growth phase related parameter
Remarks: biomass indexes is individual plant mean value.
Table 6 flameray gerbera " pigment " flower portion parameter
The present invention shows distinctive advantage in the following areas:
1, the present invention is with timing, quantitatively CO 2add rich technology, in conjunction with nitrogen application measure, increase CO 2the supply of nitrogenous fertilizer is increased while concentration, take full advantage of the two interdependence in carbon-nitrogen metabolism, vie each other, be closely connected the effect of mutually promoting again, keep best C/N ratio, carbon metablism and nitrogen metabolism is made to reach good coordination degree, obtain and make flameray gerbera shift to an earlier date the florescence, increase flower diameter, increase individual plant flower quantity, deepen the color of flower, extend the ideal effect in cut-flowers in bottle life-span.
2, with traditional continual CO 2add rich method to compare, the present invention is with timing, quantitative CO 2add rich method, carry out the strict control of 4h to adding the rich time period and be applied to peak value phase of flameray gerbera net photosynthetic rate (Pn), both ensure that CO 2richness and CO is added by demand 2high utilization ratio, additionally reduce use total amount, reduction production cost while, avoid the generation of " greenhouse effect ", the 700-1000 μm of olmol determined -1cO 2concentration is optimum value range, 800 μm of olmol -1cO 2concentration effect is best.
3, this method is to the obvious facilitation of having grown of the flameray gerbera of different cultivars, Different growth phases, and test index is determined as the clean CO of plant 2absorption rate improves, the quality that the accumulation increase of biomass, the Anthocyanin content increase of petal, the root/shoot ratio of plant, leaf area, the fresh weight of cut-flower, quantity, dry weight obviously increase, newly extract out flower is significantly improved, rugosity and the Peduncle Length of flower increase, scape increase, the uniformity of the color burn of flower, flower is good, the bottled sustaining time of cut-flower extends, and becomes seedling stage and to become the experimental result at florescence basically identical.
4, this method is applicable to the flameray gerbera of plantation in greenhouse, not by planting type (potted plant or ridge cultivation) and the restriction of greenhouse material.
5, this method is applicable to the flameray gerbera of conventional cultivation method, continues in the anniversary to use, the flower yield of flameray gerbera and adopt the high level that cut-flower quality keeps stable.
The inventive method is applicable to the factory culture of flameray gerbera, and production cost is low, resultant effect good, to produce cut gerbera flower product quality high, there is low input, the advantage of high yield.
Accompanying drawing explanation
Fig. 1 is for becoming the clean CO of plant leaf in seedling stage 2absorption rate histogram.
Fig. 2 is for becoming plant leaf content of starch histogram in seedling stage.
Fig. 3 is for becoming plant leaf soluble sugar content histogram in seedling stage.
Fig. 4 is for becoming plant Glaucidium glycosides content histogram in seedling stage.
Fig. 5 is for becoming the clean CO of florescence plant leaf 2absorption rate histogram.
Fig. 6 is for becoming florescence plant leaf content of starch histogram.
Fig. 7 is for becoming florescence plant leaf soluble sugar content histogram.
Fig. 8 is for becoming florescence plant Glaucidium glycosides content histogram.
Fig. 9 adopts a cut-flower comparison diagram seedling stage first for becoming.
Figure 10 is convolution stringing schematic diagram, and 1 is external hose, and 2 are and CO 2controller connectivity port, 3 is the gas diffusion aperture on flexible pipe.
Figure 11 is parallel stringing schematic diagram, and 1 is external hose, and 2 are and CO 2controller connectivity port, 3 is the gas diffusion aperture on flexible pipe, and 4 is parallel stringing turning tube connector.
embodiment 1:
1, facility is selected: glass greenhouse, greenhouse top layer covered with sunshade net, sunshade net light transmittance 30%, and intensity of illumination maintains natural lighting, maintains the temperature and humidity under natural conditions.
2, field planting bimestrial one-tenth African daisy culture in seedling stage kind " pigment ", potted plant; Daily cultivation management uses conventional method, namely plants the normally used cultivation management method of flameray gerbera in greenhouse.
3, CO 2the stringing of instrument external hose: external hose equably parallel stringing above plant leaf, distance blade 10cm, gas diffusion hole spacing 50cm on external hose.
4, CO 2add richness: setting CO 2the CO of controller 2concentration is 800 μm of olmol -1, CO 2gas bestows plant leaf surrounding through controller by external hose, and adding the rich period is every morning 8:00 ~ 12:00 point, adds rich time 4h.
5, nitrogenous fertilizer sprays: within every 7 days, spray the NH that N concentration is 15 mM 4nO 3, being added total N content with the N concentration in daily cultivation is 30mM.
6, adopt and cut: 31 days early flowering seasons, the moon flower yield be average individual plant 3.6, average scape diameter is 5.98mm, and average flower diameter is 10.45cm, and the cut-flowers in bottle time is 10 days.
embodiment 2:
1, facility is selected: plastic green house, greenhouse top layer covered with sunshade net, sunshade net light transmittance 30%, and intensity of illumination maintains natural lighting, maintains the temperature and humidity under natural conditions.
2, the African daisy culture kind " pigment " at florescence is become, ridge cultivation; Daily cultivation management uses conventional method, namely plants the normally used cultivation management method of flameray gerbera in greenhouse.
3, CO 2the stringing of instrument external hose: external hose circles round stringing equably above plant leaf, distance blade 20cm, gas diffusion hole spacing 50cm on external hose.
4, CO 2add richness: setting CO 2the CO of controller 2concentration is 1000 μm of olmol -1, CO 2gas bestows plant leaf surrounding through controller by external hose, and adding the rich period is every morning 8:00 ~ 12:00 point, adds rich time 4h.
5, nitrogenous fertilizer sprays: within every 7 days, spray the NH that N concentration is 20 mM 4nO 3, to be added total N content be 35mM with the N concentration of executing in daily cultivation.
6, adopt and cut: the moon flower yield be average individual plant 3.7, average scape diameter is 6.08mm, and average flower diameter reaches 10.58cm, and the cut-flowers in bottle time is 10 days.

Claims (4)

1. utilize CO 2improve the method for cut gerbera flower quality, it is characterized in that with timing, quantitatively CO 2add rich technology, in conjunction with nitrogen application measure, be applicable to the flameray gerbera of plantation in greenhouse, CO 2add rich use CO 2controller, CO 2gas bestows plant leaf surrounding by controller external hose, external plastic flexible pipe is provided with gas diffusion aperture evenly and at intervals, CO 2adding the rich time is every morning 8:00 ~ 12:00, and setting concentration is 700 ~ 1000 μm of olmol -1, time 4h, every 7 days foliage-sprays nitrogenous fertilizer, keeps total N content 25 ~ 35mM.
2. utilize CO as claimed in claim 1 2improve the method for cut gerbera flower quality, it is characterized in that greenhouse is glass greenhouse or plastic green house, it is the sunshade net of 30% that greenhouse top layer covers light transmittance, and intensity of illumination maintains natural lighting, keeps the temperature and humidity under natural conditions.
3. utilize CO as claimed in claim 1 2improve the method for cut gerbera flower quality, it is characterized in that the flameray gerbera that this method is suitable for is the flameray gerbera that in greenhouse, conventional method is planted, potted plant, ridge cultivation, is applicable to the flameray gerbera of different cultivars and different growth periods.
4. utilize CO as claimed in claim 1 2improve the method for cut gerbera flower quality, it is characterized in that CO 2controller carries out CO automatically according to setting 2add rich and indoor CO 2the monitoring of concentration, the even stringing of plantation situation of external hose foundation flameray gerbera is above plant leaf, and distance plant leaf 10 ~ 20cm, can parallel stringing or convolution stringing.
CN201510062649.0A 2015-02-06 2015-02-06 Method for improving quality of cut flower of gerbera by utilizing CO2 Pending CN104686135A (en)

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CN110191632A (en) * 2017-01-23 2019-08-30 洋马株式会社 Carbon dioxide fertilization device
CN110191632B (en) * 2017-01-23 2021-08-03 洋马动力科技有限公司 Carbon dioxide fertilizer applying device

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Application publication date: 20150610